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Technical Data Sheet
PartsTable / COMPONENT / AA59326/21A-4-A
AA59326/21A-4-A ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The AA59326/21A-4-A is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-593-6017, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
AA59326/21A-4-A
NSN: 4730-01-593-6017
FSC: 4730
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberAA59326/21A-4-A
NSN4730-01-593-6017
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AA59326/21A-4-A · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CONNECTION STYLE: CAM OR LEVER (EXTRENAL)
•
CONNECTION TYPE: EXTERNAL QUICK DISCONNECT
•
QUICK DISCONNECT METHOD: CAM-LOCKING
•
QUICK DISCONNECT NOMINAL SIZE: 1.500 INCHES IN
•
STYLE DESIGNATOR: NIPPLE
•
OPERATING PRESSURE: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLECAM OR LEVER (EXTRENAL)
CONNECTION TYPEEXTERNAL QUICK DISCONNECT
QUICK DISCONNECT METHODCAM-LOCKING
QUICK DISCONNECT NOMINAL SIZE1.500 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYADAPTER,MALE BY MALE, CAM LOCKING TYPE
STYLE DESIGNATORNIPPLE
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
SPECIAL FEATURESFIRST END IS 1.5 INCHES AND SECOND END IS 4 INCHES IN
MATERIALALUMINUM ALLOY BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
633AA-1-1/2X2ALInterchangeable
interchangeable cross-reference
interchangeable
1520-AA-ALInterchangeable
interchangeable cross-reference
interchangeable
633AA1 1/2X2Interchangeable
interchangeable cross-reference
interchangeable
633AA-4X4ALInterchangeable
interchangeable cross-reference
interchangeable
633AA-1387 SAND COLORInterchangeable
interchangeable cross-reference
interchangeable
633AA-2X2ALInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA59326/21A-4-A?
AA59326/21A-4-A is a AA59326/21A-4-A.
What parts can replace AA59326/21A-4-A?
There are 21 known substitutes for AA59326/21A-4-A: 633AA-1-1/2X2AL, 1520-AA-AL, 633AA1 1/2X2 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AA59326/21A-4-A?
AA59326/21A-4-A is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-593-6017. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026